Vacuum Mode; Static Pressure Compensation Mode - LG MULTI V M ARNU07GTU 4 Series Svc Manual

Function

4.4 Vacuum Mode

This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement
or IDU addition/replacement.
CAUTION
ODU operation stops during vacuum mode. Compressor can't operate.

4.5 Static pressure compensation mode

This function is used for creating vacuum in the system after compressor replacement, ODU parts replacement
or IDU addition/replacement.
Static pressure compensation mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using
Push the
'●'
Select the Function using
Push the
'●'
Select the Option using
Push the
'●'
Start the Static pressure compensation mode :
Save the selected option value in EEPROM
Vacuum mode setting method
Master unit PCB DIP switch on : No.5
Select the mode using
' ', ' '
Push the button
'●'
Select the Function using
Push the button
'●'
Start the vacuum mode : "VACC"
ODU V/V open
ODU EEV open
IDU EEV open
Vacuum mode cancellation method
Push the reset button on Master unit PCB
Button : "Func"
' ', ' '
button
Button : "Fn2"
' ', ' '
button
Button : : "op1~op2"
' ', ' '
button
Button : "SVC"
Button : : "Se3"
' ', ' '
FAN Maximum RPM of each step
Fan Max.
- 28 -
Copyright © 2018 LG Electronics Inc. All rights reserved.
Only training and service purposes.
Capacity
op1
op2
RPM
op3
5HP
+50
+100
+150